<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"   
      xmlns:h="http://java.sun.com/jsf/html"
      xmlns:ui="http://java.sun.com/jsf/facelets"

      xmlns:p="http://primefaces.org/ui"
      xmlns:f="http://java.sun.com/jsf/core"
      >
    <h:body>

        <ui:composition template="/WEB-INF/templates/commonLayout.xhtml">

            <ui:define name="content">
                <div>
                    <h:form id="uploadForm" enctype="multipart/form-data">  
                        <p:panel id="panel" header="Choose and upload file">
                            <p:fileUpload id="fileUpload" fileUploadListener="#{fileUploadBackingBean.handleFileUpload}"  
                                          mode="advanced"   
                                          update="messages"  
                                          allowTypes="/(\.|\/)(txt)$/"
                                          styleClass="fileChooser" 
                                          />  

                            <p:growl id="messages" showDetail="true"/> 
                        </p:panel>
                    </h:form> 
                </div>

            </ui:define>
        </ui:composition>

    </h:body>

</html>